维特尼察（Witnica，德语：Vietz）是位于波兰西部的城市。2004年，有人口6,858人。属卢布斯卡省。

• Official town webpage
• Jewish Community in Witnica on Virtual Shtetl

Witnica [vitˈnit͡sa] (German:Vietz) is a town in western Poland, situated in the Lubusz Voivodeship, with 6,858 inhabitants (2004).

Prior to 1945 it was in Germany. After World War II the region was placed under Polish administration and ethnically cleansed according to the post-war Potsdam Agreement. The native German populace was expelled and replaced by Poles.